Door Chime,SanJie Wireless Door Sensor Chime When Door Opens,Door Entry Alarm Chime for Business/Home/Kids,500 FT Range,26 Chimes 5 Adjustable Volume, 2 Sensors + 1 Receivers

【Door chimes when door opens】This wireless door chime can be a good reminder for you if you have toddler who try to sneak out of their bed room or help alert you the elderly with dementia who is trying to get out of the house.
[Wireless door chime for business when entering]: This door entry chime can be used as a doorbell for your retail shop for your commercial to remind you when someone walks into your store, you will never miss any customers(visitors)
【Easy to Install】The door sensor chime and receiver are paired already,Just plug the receiver into standard outlet, tear the double-side adhesive tape of the entry alert chime and stick them to any door or window.